2840880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:131

約数の個数: 160

約数和(自身を含む): 10713600

約数和(自身を除く): 7872720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 48, 56, 57, 60, 70, 76, 80, 84, 89, 95, 105, 112, 114, 120, 133, 140, 152, 168, 178, 190, 210, 228, 240, 266, 267, 280, 285, 304, 336, 356, 380, 399, 420, 445, 456, 532, 534, 560, 570, 623, 665, 712, 760, 798, 840, 890, 912, 1064, 1068, 1140, 1246, 1330, 1335, 1424, 1520, 1596, 1680, 1691, 1780, 1869, 1995, 2128, 2136, 2280, 2492, 2660, 2670, 3115, 3192, 3382, 3560, 3738, 3990, 4272, 4560, 4984, 5073, 5320, 5340, 6230, 6384, 6764, 7120, 7476, 7980, 8455, 9345, 9968, 10146, 10640, 10680, 11837, 12460, 13528, 14952, 15960, 16910, 18690, 20292, 21360, 23674, 24920, 25365, 27056, 29904, 31920, 33820, 35511, 37380, 40584, 47348, 49840, 50730, 59185, 67640, 71022, 74760, 81168, 94696, 101460, 118370, 135280, 142044, 149520, 177555, 189392, 202920, 236740, 284088, 355110, 405840, 473480, 568176, 710220, 946960, 1420440, 2840880]

約数ペア:

[(1, 2840880), (2, 1420440), (3, 946960), (4, 710220), (5, 568176), (6, 473480), (7, 405840), (8, 355110), (10, 284088), (12, 236740), (14, 202920), (15, 189392), (16, 177555), (19, 149520), (20, 142044), (21, 135280), (24, 118370), (28, 101460), (30, 94696), (35, 81168), (38, 74760), (40, 71022), (42, 67640), (48, 59185), (56, 50730), (57, 49840), (60, 47348), (70, 40584), (76, 37380), (80, 35511), (84, 33820), (89, 31920), (95, 29904), (105, 27056), (112, 25365), (114, 24920), (120, 23674), (133, 21360), (140, 20292), (152, 18690), (168, 16910), (178, 15960), (190, 14952), (210, 13528), (228, 12460), (240, 11837), (266, 10680), (267, 10640), (280, 10146), (285, 9968), (304, 9345), (336, 8455), (356, 7980), (380, 7476), (399, 7120), (420, 6764), (445, 6384), (456, 6230), (532, 5340), (534, 5320), (560, 5073), (570, 4984), (623, 4560), (665, 4272), (712, 3990), (760, 3738), (798, 3560), (840, 3382), (890, 3192), (912, 3115), (1064, 2670), (1068, 2660), (1140, 2492), (1246, 2280), (1330, 2136), (1335, 2128), (1424, 1995), (1520, 1869), (1596, 1780), (1680, 1691)]